Home / 370,076-553,621

Finding the Third Proportional to 370,076 and 553,621

Calculator

Solution

The third proportional to 370,076 and 553,621 is: 828,198.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,076 : 553,621 = 553,621 : x
  2. Step 2: Convert to fraction form
    370,076/553,621 = 553,621/x
  3. Step 3: Cross multiply
    370,076x = 553,621 × 553,621
  4. Step 4: Simplify right side
    370,076x = 306,496,211,641
  5. Step 5: Solve for x
    x = 306,496,211,641/370,076
  6. Step 6: Final answer
    x = 828,198.02

Related Problems

Find third proportional to 185,038 and 276,810.50
Half scale
Find third proportional to 740,152 and 1,107,242
Double scale
Find third proportional to 370,078 and 553,624
Similar ratio
Find third proportional to 555,114 and 830,431.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.